Claude Opus 5 vs GPT-6 Astra

• Claude Opus 5
• GPT-6 Astra

Add a model

Add:Gemini 4 ArgonMuse Spark 1.1Qwen3.8 Max (0902)?Inkling Small 2

Head to head on 10 boards: GPT-6 Astra places best on 6 and Claude Opus 5 places best on 4. Both ranked on 10 of 15 boards.

Board	Read	Claude Opus 5	GPT-6 Astra
Chat1
Text ArenaArena ratingtodaytoday	Nov 9todaytoday	#121,490best of the picked	#311,475
Reasoning6
Epoch ECIECItodaytoday	Nov 9todaytoday	#8164.4	#1169.1best of the picked
ARC-AGI-2Scoretodaytoday	Nov 9todaytoday	#690.4%	#195.0%best of the picked
GPQA DiamondAccuracytodaytoday	Nov 9todaytoday	#1693.9%	#295.8%best of the picked
LiveBenchGlobal averagetodaytoday	Nov 9todaytoday	#1180.1%	#482.2%best of the picked
HLEAccuracytodaytoday	Nov 9todaytoday		#154.8%
AA IntelligenceIndextodaytoday	Nov 9todaytoday		#356.9
Coding2
SWE-Bench ProResolvedtodaytoday	Nov 9todaytoday	#198.0%best of the picked	#490.2%
WebDev ArenaArena ratingtodaytoday	Nov 9todaytoday	#81,691	#31,770best of the picked
Agents and tools2
Search ArenaArena ratingtodaytoday	Nov 9todaytoday	#101,213	#31,245best of the picked
MCP AtlasPass ratetodaytoday	Nov 9todaytoday	#485.8%
Vision2
Document ArenaArena ratingtodaytoday	Nov 9todaytoday	#61,486best of the picked	#111,477
Vision ArenaArena ratingtodaytoday	Nov 9todaytoday	#161,285best of the picked	#171,285
Speed1
AA SpeedOutput speedtodaytoday	Nov 9todaytoday		#1621 tok/s
Price1
AA PriceBlended pricetodaytoday	Nov 9todaytoday		#17$20.0

Green marks the best placing among the picked where two or more are ranked; ties are marked for each. Ranks are each board's own order (lower is better), scores as the board published them. Dash: not on that board.